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AMPCO 4478 Metric Single End 12-Point Box End Nonsparking Wrench, 71 mm, 22 in - Metric, Single End, 12-Point, Box End Nonsparking Wrenches
AMPCOMetric, Single End, 12-Point, Box End Nonsparking Wrenches

AMPCO 4478 Metric Single End 12-Point Box End Nonsparking Wrench, 71 mm, 22 in

The AMPCO Box End Wrench is a metric, single-end, 12-point, box end nonsparking wrench in a natural finish. It features a 71 mm head size, 22 in overall length, standard design, and 0° head offset angle (MPN 4478).

SKU 3G-OTH-278106

Brand
AMPCO
Item
4478 Metric Single End 12-Point Box End Nonsparking Wrench, 71 mm, 22 in
Part Number
4478
Category
Metric, Single End, 12-Point, Box End Nonsparking Wrenches
Available to Order
Also known as:4478AMPCO
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Technical Specifications

AMPCO
Manufacturer Part Number
4478
Type
Std
Overall Lg
22 in
Head Size
71 mm
Head Offset Angle
0°

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AMPCO Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The AMPCO Box End Wrench is a metric, single-end, 12-point, box end nonsparking wrench in a natural finish. It features a 71 mm head size, 22 in overall length, standard design, and 0° head offset angle (MPN 4478).

Frequently Asked Questions

What is the AMPCO Box End Wrench used for?

The AMPCO Box End Wrench is used in hazardous environments where sparking tools could ignite flammable gases or dust. Its nonsparking construction makes it suitable for oil refineries, chemical plants, and mining operations. 3G Electric supplies this wrench globally for industrial safety applications.

What are the specifications of the AMPCO Box End Wrench?

The AMPCO Box End Wrench (MPN 4478) has a 71 mm head size, 22 in overall length, standard type, 0° head offset angle, and a 12-point box end. It is metric, single-end, and nonsparking with a natural finish. 3G Electric sources this genuine AMPCO tool for worldwide delivery.

Where to buy the AMPCO Box End Wrench worldwide?

3G Electric supplies the AMPCO Box End Wrench worldwide. As a global industrial solutions provider, we handle logistics, customs clearance, and delivery to your facility. Contact us to order the genuine AMPCO 4478 nonsparking wrench for your safety-critical operations.

How to select the right nonsparking wrench size?

Select a nonsparking wrench like the AMPCO 4478 by matching the head size to your fastener. For this model, the 71 mm head fits metric bolts. Ensure the overall length (22 in) provides sufficient torque. 3G Electric can help you choose the correct AMPCO tool for your application.

Used in

Common applications for AMPCO
Oil and gas refineries — AMPCO non-sparking wrenches and pliers for maintenance on pressurized systems
Chemical processing plants — AMPCO beryllium copper screwdrivers for electrical work in classified areas
Mining operations — AMPCO rock picks and hammers for chipping and breaking in potentially explosive dust environments
Aerospace manufacturing — AMPCO non-sparking sockets and wrenches for assembly in fuel handling zones
Pharmaceutical production — AMPCO non-sparking tools for equipment maintenance in solvent-rich areas
Marine and offshore — AMPCO aluminum bronze tools for corrosion-resistant performance in salt-laden atmospheres
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AMPCO Products

3G Electric supplies AMPCO metric, single end, 12-point, box end nonsparking wrenches. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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